/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.runtime.core.util.counters.impl;

import org.mule.runtime.core.util.counters.Counter;
import org.mule.runtime.core.util.counters.CounterFactory.Type;

public abstract class AggregateCounter extends AbstractCounter {

  private final Counter base;

  public AggregateCounter(String name, Type type, AbstractCounter base) {
    super(name, type);
    this.base = base;
    base.addAggregate(this);
  }

  @Override
  public double increment() {
    throw new UnsupportedOperationException();
  }

  @Override
  public double incrementBy(double value) {
    throw new UnsupportedOperationException();
  }

  @Override
  public double decrement() {
    throw new UnsupportedOperationException();
  }

  @Override
  public void setRawValue(double value) {
    throw new UnsupportedOperationException();
  }

  public final synchronized void compute() {
    this.doCompute();
    this.propagate();
  }

  public Counter getBase() {
    return this.base;
  }

  @Override
  public abstract double nextValue();

  public abstract void doCompute();
}
